--- Q.petraea
subsp medwediewii (A.Camus)Menitsky 1968
= Q. lanuginosa subsp medwediewii A.Camus
= Q. calcarea Troitzky 1931 not Gand.
is for Menitsky a true species,
with pubescence denser than type, sinus deeper (1/3 to 3/4 to the midrib) ; young
shoots, petioles and leaves undersides are at first densely pubescent (naked eye),
becoming glabrescent except at leaf base and veins axils. It is for Menitsky the
result of introgression with Q.pubescens. For Govaerts & Frodin,
it a synonym of Q.iberica.